The King in Black casts his shadow over the Reign of X! As the Council makes moves to protect the mutants in Otherworld, Excalibur must determine the true fate of Betsy Braddock! The S.W.O.R.D. station is thrown into the deep end of a planetary crisis as Krakoa battles the forces of symbiote god Knull! While a cross-division S.W.O.R.D. team take on dragons from outer space, Abigail Brand prepares a deniable operation all her own. What is Protocol V - and can the Earth survive it? Plus, Manifold journeys across the universe... and comes face to face with S.W.O.R.D.'s deadliest enemy! Meanwhile, Captain Kate Pryde and her crew of Marauders set sail to fight for the needy amid the global disaster that Knull's invasion has caused! Collecting: Excalibur (2019) 18-19, S.W.O.R.D. (2020) 2-3, King in Black: Marauders (2021) 1